# \[PATCH\] docs: kernel-parameters: mark numa=off is supported by a bundle of architectures - Subsystems: DOCUMENTATION, THE REST - Maintainers: Jonathan Corbet, Linus Torvalds - Status: LANDED (544ef682c604 ยท 2021-05-27 16:11) - Landed in mainline as 544ef682c604 on 2021-05-27. - List: linuxppc-dev - 3 messages, 3 authors - Page: https://ratatoskr.run/linuxppc-dev/2021/05/1388971/t ## \[PATCH\] docs: kernel-parameters: mark numa=off is supported by a bundle of architectures - From: Barry Song \ - Date: 2021-05-24 05:24:53 - Message: https://ratatoskr.run/linuxppc-dev/2021/05/1388971.md ```text risc-v and arm64 support numa=off by common arch_numa_init() in drivers/base/arch_numa.c. x86, ppc, mips, sparc support it by arch-level early_param. numa=off is widely used in linux distributions. it is better to document it. Signed-off-by: Barry Song --- Documentation/admin-guide/kernel-parameters.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index cb89dbdedc46..a388fbdaa2ec 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3513,6 +3513,9 @@ nr_uarts= [SERIAL] maximum number of UARTs to be registered. + numa=off [KNL, ARM64, PPC, RISCV, SPARC, X86] Disable NUMA, Only + set up a single NUMA node spanning all memory. + numa_balancing= [KNL,ARM64,PPC,RISCV,S390,X86] Enable or disable automatic NUMA balancing. Allowed values are enable and disable -- 2.25.1 ``` ## Re: \[PATCH\] docs: kernel-parameters: mark numa=off is supported by a bundle of architectures - From: Jonathan Corbet \ - Date: 2021-05-27 16:11:57 - Message: https://ratatoskr.run/linuxppc-dev/2021/05/1394278.md ```text Barry Song [ref] writes: > risc-v and arm64 support numa=off by common arch_numa_init() > in drivers/base/arch_numa.c. x86, ppc, mips, sparc support it > by arch-level early_param. > numa=off is widely used in linux distributions. it is better > to document it. > > Signed-off-by: Barry Song > --- > Documentation/admin-guide/kernel-parameters.txt | 3 +++ > 1 file changed, 3 insertions(+) Applied, thanks. jon ``` ## Re: \[PATCH\] docs: kernel-parameters: mark numa=off is supported by a bundle of architectures - From: Palmer Dabbelt \ - Date: 2021-05-29 22:57:50 - Message: https://ratatoskr.run/linuxppc-dev/2021/05/1395896.md ```text On Sun, 23 May 2021 22:17:15 PDT (-0700), song.bao.hua@hisilicon.com wrote: > risc-v and arm64 support numa=off by common arch_numa_init() > in drivers/base/arch_numa.c. x86, ppc, mips, sparc support it > by arch-level early_param. > numa=off is widely used in linux distributions. it is better > to document it. > > Signed-off-by: Barry Song > --- > Documentation/admin-guide/kernel-parameters.txt | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt > index cb89dbdedc46..a388fbdaa2ec 100644 > --- a/Documentation/admin-guide/kernel-parameters.txt > +++ b/Documentation/admin-guide/kernel-parameters.txt > @@ -3513,6 +3513,9 @@ > > nr_uarts= [SERIAL] maximum number of UARTs to be registered. > > + numa=off [KNL, ARM64, PPC, RISCV, SPARC, X86] Disable NUMA, Only > + set up a single NUMA node spanning all memory. > + > numa_balancing= [KNL,ARM64,PPC,RISCV,S390,X86] Enable or disable automatic > NUMA balancing. > Allowed values are enable and disable Acked-by: Palmer Dabbelt Thanks! ```